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Radiator Clang. What causes it?

BirchLeaf
BirchLeaf Member Posts: 56
Hello,
What causes steam radiators to make occasional clanging noises?
(It's a different sound than the loud banging of steam coming in contact with water.)
Thank you.

Comments

  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,516
    Water or the radiator expanding. something slippery under the feet like pieces of a milk bottle. or the pipe could be rubbing if the hole in the floor is too small
    BirchLeaf
  • BirchLeaf
    BirchLeaf Member Posts: 56
    @EBEBRATT-Ed
    Expanding from heat entering the radiator?
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,516
    yes
    BirchLeaf
  • retiredguy
    retiredguy Member Posts: 903
    If the valve has a flat disc, the disc could have come loose or has broken off from the stem.
    BirchLeaf